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Finding the Third Proportional to 1,375,509.50 and 3,016,739.75

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Solution

The third proportional to 1,375,509.50 and 3,016,739.75 is: 6,616,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,509.50 : 3,016,739.75 = 3,016,739.75 : x
  2. Step 2: Convert to fraction form
    1,375,509.50/3,016,739.75 = 3,016,739.75/x
  3. Step 3: Cross multiply
    1,375,509.50x = 3,016,739.75 × 3,016,739.75
  4. Step 4: Simplify right side
    1,375,509.50x = 9,100,718,719,230.06
  5. Step 5: Solve for x
    x = 9,100,718,719,230.06/1,375,509.50
  6. Step 6: Final answer
    x = 6,616,252.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.